44 sources
Adam Strange (vol. 1) #3 (May 1990): "The Man of Two Worlds, Chapter 3"The Adventures of Superman (vol. 1) #466 (May 1990): "The Limits of Power!"Alpha Flight (vol. 1) #84 (May 1990): "Earth War, Part One: The Big Picture"Back to the Future III (1990)Bizarre Heroes #1 (May 1990): "The Bizarre Files of John Bradford"The Butcher #1 (May 1990)Captain America (vol. 1) #370 (May 1990): "House Calls"
Critical MassDaredevil (vol. 1) #280 (May 1990): "Twilight of the Idols"Doctor Strange, Sorcerer SupremeDoom Patrol (vol. 2) #32 (May 1990): "Decreator"Ghost Rider (vol. 3) #1 (May 1990): "Life's Blood"Iron Man (vol. 1) #256 (May 1990): "Soliloquy in Silence"L.E.G.I.O.N. #15 (May 1990): "Nightmares"Marc Spector: Moon Knight #14 (May 1990): "Long Day Dying"Marvel Super-HeroesMother Goose Rock 'n' Rhyme (1990)Namor, the Sub-Mariner #2 (May 1990): "Eagle's Wing and Lion's Claw!"The New Mutants (vol. 1) #89 (May 1990): "The Gift"Nick Fury, Agent of SHIELD (vol. 3) #11 (May 1990): "Greetings from Scotland"The Punisher (vol. 2) #33 (May 1990): "Reaver Fever"The Punisher War Journal (vol. 1) #18 (May 1990): "Kahuna"Quasar #10 (May 1990): "Kree for All"The Sensational She-Hulk #15 (May 1990): "Secret Warts"The Silver Surfer (vol. 3) #37 (May 1990): "A Destructive Encounter"Starman (vol. 1) #22 (May 1990): "Stories from the Land of Spirits"Suicide Squad (vol. 1) #41 (May 1990): "The Phoenix Gambit, Part Two: Embers"Superboy (vol. 2) #4 (May 1990): "Big Man on Campus"ThorThe Uncanny X-Men (vol. 1) #261 (May 1990): "Harriers Hunt"Wolverine (vol. 2) #24 (May 1990): "Snow Blind"X-Factor (vol. 1) #54 (May 1990): "Crimson"X-Men Spotlight on... Starjammers #1 (May 1990): "Phalkon Quest, Part 1"